CN1328487C - Motorcycle muffler of dispaceable catalytic converter - Google Patents
Motorcycle muffler of dispaceable catalytic converter Download PDFInfo
- Publication number
- CN1328487C CN1328487C CNB2004100968714A CN200410096871A CN1328487C CN 1328487 C CN1328487 C CN 1328487C CN B2004100968714 A CNB2004100968714 A CN B2004100968714A CN 200410096871 A CN200410096871 A CN 200410096871A CN 1328487 C CN1328487 C CN 1328487C
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- Prior art keywords
- catalytic converter
- fixed tube
- outlet pipe
- connecting end
- converter fixed
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Abstract
The present invention discloses a motorcycle silencer capable of replacing catalytic converters, which comprises a silencer and an exhaust pipe, wherein the exhaust pipe is provided with a catalytic converter fixing pipe, a catalytic converter is installed in the catalytic converter fixing pipe, and one or both ends of the catalytic converter fixing pipe are movably connected with the exhaust pipe. In the motorcycle silencer capable of replacing catalytic converters, the exhaust pipe of the silencer are broken so as to be used for arranging the catalytic converter fixing pipe, the breaking point of the catalytic converter fixing pipe is movably connected with the exhaust pipe, the catalytic converter is convenient to assemble and disassemble, the catalytic converter can not only be replaced by users so as to ensure the catalytic effect of the catalytic converter but also can be installed after the silencer is plated with chromium, and therefore, the catalytic converter is free from the influence of the chromium plating.
Description
Technical field
The present invention relates to a kind of noise eliminator of motorcycle that catalytic converter is arranged, is a kind of noise eliminator of motorcycle that can change catalytic converter easily specifically.
Background technique
Noise eliminator of motorcycle is connected with exhaust opening of engine by one section outlet pipe.Because fuel combustion is incomplete in the engine working process, can contain a certain amount of harmful gas in the tail gas of its discharge.For the consideration of environmental protection aspect, people come motorcycle engine tail gas is further processed by some tail gas clean-up technology, to reduce content of harmful gas in the discharge tail gas.Catalytic converter technology is to be used for a kind of main means that engine tail gas purification is handled, by catalytic converter is set in silencing apparatus, make some harmful gases that produce because of fuel combustion is insufficient in the tail gas further be changed into innocuous gas, reach the purpose of innoxious discharging by Catalytic Oxygen.
At present noise eliminator of motorcycle install catalytic converter additional structure as shown in Figure 1, be that the catalytic converter fixed tube 3 of will catalytic converter 4 be installed is welded on the outlet pipe 2 of silencing apparatus 1, this structure catalytic converter 4 all is to install before the chromium plating of silencing apparatus producer, after it lost efficacy, can't take out and change, can only change silencing apparatus, and the acid solution in producing electroplating process can have a negative impact also to catalytic converter.
Summary of the invention
The object of the present invention is to provide a kind of noise eliminator of motorcycle that can conveniently replaced catalytic converter, to solve the prior art above shortcomings.
The present invention adopts following technological scheme: the noise eliminator of motorcycle of dispaceable catalytic converter, comprise silencing apparatus, catalytic converter and outlet pipe, described outlet pipe is provided with the catalytic converter fixed tube, catalytic converter is contained in the described catalytic converter fixed tube, the one or both ends of described catalytic converter fixed tube are provided with axial slot, this connecting end of described catalytic converter fixed tube is inserted in the end of the connecting end of connected outlet pipe, this connecting end in the catalytic converter fixed tube processes a step, between the connecting end of the tube wall of catalytic converter fixed tube and outlet pipe, a seal element is installed, connecting end at outlet pipe is welded with bulge loop, bulge loop withstands on the connecting end end face of catalytic converter fixed tube described seal element retaining between the bulge loop of the step of fixed tube and outlet pipe, the connecting end of described catalytic converter fixed tube is outside equipped with anchor ear, the bolt on the anchor ear tighten with anchor ear draw in make catalytic converter fixedly the pipe racks slot partly shrink and hold tightly on the connecting end of outlet pipe.
Described catalytic converter fixed tube can be made of one section on outlet pipe dilation that outwards expands.
Described catalytic converter fixed tube also can be made of the independently pipeline of one section diameter greater than outlet pipe, and its two ends are connected with described outlet pipe by the loose joint mode.
Described catalytic converter fixed tube is outer can be equipped with a decorative cover.
Described decorative cover can be a packaged plaque, is contained in the catalytic converter outside.
The noise eliminator of motorcycle of dispaceable catalytic converter of the present invention, because the outlet pipe disjunction of silencing apparatus is used for being provided with the catalytic converter fixed tube, and the catalytic converter fixed tube adopts the loose joint mode to be connected at disjunction place and outlet pipe, catalytic converter is installed in the catalytic converter fixed tube, the catalytic converter easy accessibility, not only can change by the user, guarantee the catalytic effect of catalytic converter, and the catalytic converter of can after silencing apparatus chromium plating is finished, packing into, so catalytic converter can not be subjected to the influence of chromium plating.The catalytic converter fixed tube that the present invention adopts the anchor ear structure that catalytic converter will be installed is connected with outlet pipe, with respect to other loose joint mode, only needs one or two bolt of dismounting, and is easier for installation quick.Adopt the structural design of catalytic converter fixed tube internal diameter greater than the outlet pipe internal diameter of silencing apparatus, it is more simple and convenient to make catalytic converter install and fix.
Description of drawings
Fig. 1 is existing noise eliminator of motorcycle catalytic converter mounting structure schematic representation;
Fig. 2 is the embodiment's 1 of the noise eliminator of motorcycle of dispaceable catalytic converter of the present invention structural representation;
Fig. 3 is the plan view of Fig. 2;
Fig. 4 partly cuts open schematic representation for catalytic converter fixed tube Placement after amplifying;
Fig. 5 is the plan view of Fig. 4;
Fig. 6 is the A-A sectional view of Fig. 5;
Fig. 7 is the embodiment's 2 of the noise eliminator of motorcycle of dispaceable catalytic converter of the present invention structural representation;
Fig. 8 is the embodiment's 3 of the noise eliminator of motorcycle of dispaceable catalytic converter of the present invention structural representation;
Fig. 9 is the structural representation that the catalytic converter fixed tube Placement among Fig. 8 is amplified;
Figure 10 is the plan view of Fig. 9.
Embodiment
Be described further below in conjunction with the noise eliminator of motorcycle of the drawings and specific embodiments dispaceable catalytic converter of the present invention.
To shown in Figure 6, noise eliminator of motorcycle is made of silencing apparatus part 1 and outlet pipe as Fig. 2, and outlet pipe adopts the disjunction design, is divided into two sections 2a, 2b.Expanding by bloat tool in the outlet pipe 2a end that directly links to each other with silencing apparatus part 1 makes its internal diameter become the big catalytic converter fixed tube 3 that forms, and catalytic converter fixed tube 3 adopts the loose joint of anchor ear Placement with outlet pipe 2b.Connecting end in catalytic converter fixed tube 3 has axially slot 32 of four roads (or other quantity), this connecting end of catalytic converter fixed tube 3 is inserted in the end of the connecting end of connected outlet pipe 2b, and seal element 6 is housed between the two, and the connecting end of catalytic converter fixed tube 3 is outer by anchor ear 5 bandings.
Connecting end in catalytic converter fixed tube 3 processes a step 31, connecting end at outlet pipe 2b also is welded with bulge loop 21, seal element 6 is blocked at the connecting end place that bulge loop 21 withstands on catalytic converter fixed tube 3, between the tube wall of catalytic converter fixed tube 3 and outlet pipe 2b connecting end, form a space that seal element 6 is installed, seal element 6 in this space is asbestos packing or twines sealing materials such as gathering Teflon tap that the slot position that anchor ear 5 draws catalytic converter fixed tube 3 in when the bolt on the anchor ear 5 51 is tightened is shunk this part and held tightly on the connecting end of outlet pipe 2b.Bulge loop 21 can limit seal element 6 distortion in the axial direction, improves sealing effect.
Catalytic converter 4 is contained in the catalytic converter fixed tube 3, the restriction the other end that one end is subjected to outlet pipe 2b end face is subjected to the restriction of outlet pipe 2a expansion place end face, so just be fixed on without any need for other fixed element on the outlet pipe of silencing apparatus, simple in structure, the installation of catalytic converter and dismounting are all more convenient.
The loose joint modes such as also can adopting screw thread that is connected of catalytic converter fixed tube 3 and outlet pipe, but because silencing apparatus 1 and outlet pipe pipeline are that bend pipe and silencing apparatus part external diameter are bigger, so may be difficult to rotate outlet pipe part or silencing apparatus part sometimes by being threaded, be difficult to direct assembling, be installed to again on the motor after whole silencing apparatus can being pulled down replacing or installing catalytic converter, install more loaded down with trivial details comparatively speaking.
For the structure that makes anchor ear 5 does not influence the appearance of silencing apparatus, also decorative cover (omitting among the figure) is installed with anchor ear 5 and catalytic converter fixed tube 3 covers by screw at this position.Decorative cover both can be wrapped whole catalytic converter fixed tube and anchor ear, also can be a packaged plaque and was installed in its outside, and this partial occlusion is lived.
As shown in Figure 7, in the present embodiment as different from Example 1, catalytic converter fixed tube 3 is an independently pipeline section, the diameter of this pipeline section is bigger than outlet pipe 2a, the 2b diameter of silencing apparatus, catalytic converter fixed tube 3 two ends are connected with outlet pipe 2b, 2a respectively by anchor ear 5,5 ', the anchor ear linkage structure is identical among linkage structure and the embodiment 1, in the present embodiment no longer repeat specification.Compare among this structure and the embodiment 1, carry out needing only when catalytic converter 4 is changed two bolts 6 and 6 ' of dismounting, but when having carbon deposit or other dirt to be blocked in catalytic converter fixed tube 3 positions to make catalytic converter 4 be difficult for taking off, but an end of self-catalysis converter fixed tube 3 is disclosed catalytic converter 4, so more convenient.
For this employing mode of catalytic converter fixed tube 3 independently, its two ends all can be connected with 2b with outlet pipe 2a respectively by screw thread, consider the concrete structure of silencing apparatus, the screw thread at catalytic converter fixed tube 3 two ends can adopt positive left-hand thread, when dismounting, can simultaneously the outlet pipe at two ends be pulled down or load onto like this as long as rotate 3 of catalytic converter fixed tube to a direction, need not rotate outlet pipe or silencing apparatus, more convenient.
Embodiment 3
To shown in Figure 10, disclosed in the present embodiment is a kind of mode that catalytic converter fixed tube 3 is connected with outlet pipe 2a and 2b by lap joint flange as Fig. 8.
By Fig. 8 to Figure 10 as can be seen, catalytic converter fixed tube 3 is that an internal diameter and external diameter are all greater than the independent pipeline of outlet pipe 2a and 2b, its two ends are provided with step 31 makes the two ends internal diameter greater than the middle part internal diameter and make step end face form a seal face, the connecting end of outlet pipe 2a and 2b is provided with flange-like bulge loop 21 and forms seal face, the connecting end of outlet pipe 2a and 2b inserts the two ends of catalytic converter fixed tube 3, between the seal face of the step end face 31 of catalytic converter fixed tube 3 and outlet pipe connecting end, seal element 6 is housed, seal element 6 is an asbestos packing, each kink of connecting end at outlet pipe 2a and 2b has a lap joint flange 8, passing the screw rod 9 of two lap joint flanges 8 strains outlet pipe 2a and 2b by bulge loop 21 to the centre, catalytic converter fixed tube 3 is clamped between outlet pipe 2a and the 2b it is connected to each other to be fixed together, and make sealing gasket 6 compacted distortion form sealing simultaneously.Screw rod can be four, three, because the connecting end of outlet pipe 2a and 2b is to be inserted in the catalytic converter fixed tube 3, itself has interconnect function, so adopt two screw rods 9 to connect in the present embodiment, institute's assembling-disassembling bolt quantity has only two during dismounting, and is more more convenient than adopting three or four.
Claims (3)
1, a kind of noise eliminator of motorcycle of dispaceable catalytic converter, comprise silencing apparatus, catalytic converter and outlet pipe, described outlet pipe is provided with the catalytic converter fixed tube, catalytic converter is contained in the described catalytic converter fixed tube, it is characterized in that: the one or both ends of described catalytic converter fixed tube are provided with axial slot, this connecting end of described catalytic converter fixed tube is inserted in the end of the connecting end of connected outlet pipe, this connecting end in the catalytic converter fixed tube processes a step, between the connecting end of the tube wall of catalytic converter fixed tube and outlet pipe, a seal element is installed, connecting end at outlet pipe is welded with bulge loop, bulge loop withstands on the connecting end end face of catalytic converter fixed tube described seal element retaining between the bulge loop of the step of fixed tube and outlet pipe, the connecting end of described catalytic converter fixed tube is outside equipped with anchor ear, and the bolt on the anchor ear is tightened and drawn anchor ear in make the catalytic converter fixed tube band slot and partly shrink and hold tightly on the connecting end of outlet pipe.
2, the noise eliminator of motorcycle of dispaceable catalytic converter as claimed in claim 1 is characterized in that: described catalytic converter fixed tube is equipped with a decorative cover outward.
3, the noise eliminator of motorcycle of dispaceable catalytic converter as claimed in claim 1 or 2 is characterized in that: the pipe end that described outlet pipe inserts described catalytic converter fixed tube blocks described catalytic converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100968714A CN1328487C (en) | 2004-12-08 | 2004-12-08 | Motorcycle muffler of dispaceable catalytic converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100968714A CN1328487C (en) | 2004-12-08 | 2004-12-08 | Motorcycle muffler of dispaceable catalytic converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1614205A CN1614205A (en) | 2005-05-11 |
| CN1328487C true CN1328487C (en) | 2007-07-25 |
Family
ID=34766559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100968714A Expired - Fee Related CN1328487C (en) | 2004-12-08 | 2004-12-08 | Motorcycle muffler of dispaceable catalytic converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1328487C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221464A (en) * | 2011-04-02 | 2011-10-19 | 重庆隆鑫机车有限公司 | Exhaust catalyst test device for engine |
| JP6599161B2 (en) * | 2015-08-05 | 2019-10-30 | 株式会社クボタ | Exhaust purification device |
| CN109113843A (en) * | 2018-09-26 | 2019-01-01 | 许昌海洋机械有限公司 | A kind of eco-friendly car exhaust pipe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2143679Y (en) * | 1992-10-20 | 1993-10-13 | 四川石油管理局川南矿区 | Silencing apparatus for diesel engine |
| CN2298348Y (en) * | 1996-11-18 | 1998-11-25 | 连城壁 | Catalytic converter device for locomotive |
| CN2417292Y (en) * | 2000-03-22 | 2001-01-31 | 苏志明 | Exhaust pipe for vehicle |
| CN2756837Y (en) * | 2004-12-09 | 2006-02-08 | 重庆隆鑫工业（集团）有限公司 | Motorcycle silencer capable of exchanging catalytic convertor |
-
2004
- 2004-12-08 CN CNB2004100968714A patent/CN1328487C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2143679Y (en) * | 1992-10-20 | 1993-10-13 | 四川石油管理局川南矿区 | Silencing apparatus for diesel engine |
| CN2298348Y (en) * | 1996-11-18 | 1998-11-25 | 连城壁 | Catalytic converter device for locomotive |
| CN2417292Y (en) * | 2000-03-22 | 2001-01-31 | 苏志明 | Exhaust pipe for vehicle |
| CN2756837Y (en) * | 2004-12-09 | 2006-02-08 | 重庆隆鑫工业（集团）有限公司 | Motorcycle silencer capable of exchanging catalytic convertor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1614205A (en) | 2005-05-11 |
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Granted publication date: 20070725 Termination date: 20100108 |